| San Juan de Aznalfarache to Orbetello | 975.97 mi (1,570.67 km) |
| San Juan de Aznalfarache to Oria | 1,285.39 mi (2,068.64 km) |
| San Juan de Aznalfarache to Oristano | 806.70 mi (1,298.26 km) |
| San Juan de Aznalfarache to Orta Nova | 1,189.38 mi (1,914.12 km) |
| San Juan de Aznalfarache to Orte | 1,034.25 mi (1,664.47 km) |
| San Juan de Aznalfarache to Ortona | 1,133.02 mi (1,823.42 km) |
| San Juan de Aznalfarache to Orvieto | 1,025.09 mi (1,649.73 km) |
| San Juan de Aznalfarache to Orzinuovi | 993.03 mi (1,598.13 km) |
| San Juan de Aznalfarache to Osimo | 1,105.94 mi (1,779.84 km) |
| San Juan de Aznalfarache to Ospitaletto | 1,004.11 mi (1,615.96 km) |
| San Juan de Aznalfarache to Ostuni | 1,283.44 mi (2,065.50 km) |
| San Juan de Aznalfarache to Ottaviano | 1,122.02 mi (1,805.72 km) |
| San Juan de Aznalfarache to Ovada | 912.76 mi (1,468.94 km) |
| San Juan de Aznalfarache to Ozieri | 835.68 mi (1,344.89 km) |
| San Juan de Aznalfarache to Paceco | 1,014.56 mi (1,632.78 km) |
